U3403 Volvo 1800 OBD Code

OBD/2 U3403 error code description and symptoms.

Vehicle Speed Sensor (VSS) Intermittent Indicates the powertrain control module (PCM) detected an error in the vehicle speed information. Vehicle speed data is received from either the vehicle speed sensor (VSS), transfer case speed sensor (TCSS), anti-lock brake system (ABS) control module, generic electronic module (GEM), or central timer module (CTM). This DTC is set the same way as U3403. However, it is intended to flash the transmission control indicator lamp (TCIL) for first time VSS circuit error/malfunctions. Refer to possible causes for U3403

On some transmissions, such as automated manual transmissions or automatic transmissions with manual mode, the GSP switch lets the TCM know whether or not the driver has selected automatic or manual function. On manual transmissions, the GSP switch informs the TCM which gear the driver is selecting, and may function as a neutral safety switch, depending on system design. The TCM also uses the gate select position switch to monitor transmission operation. For example, if the driver selects manual mode and selects 3rd gear on an automatic transmission, the TCM may monitor speed sensors to detect clutch and brake slippage.

U3403 Volvo 1800 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine U3403 light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If intercooler pump driver fault so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the intercooler pump driver fault.

Common Causes of Volvo 1800 U3403 OBD2 Code

A common cause of code U3403 is the failure of Intercooler Pump Driver Fault, but there are several other possible causes as well, such as ;

EVAP system hose leaking
Faulty Fuel injector
Faulty select solenoid
Intake air leaks

U3403 is a kind of Network Trouble Code

U-code indicates that engine communication errors and shows lost communication with engine parts.U-Codes are fairly straight forward, given all of the articles and technical publications that have been written regarding these problematic codes. In most cases, it just comes down to identifying the module that isn't communicating with the other modules on the CAN bus line for whatever reason.

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

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U3403 Volvo 1800 OBD Code

U3403 Volvo 1800 Error Code Repair Process :

Common Causes of Volvo 1800 U3403 OBD2 Code

U3403 code for other Volvo cars